(countable, uncountable) The act of pelting with eggs.
“I stand in relation to him something like that of a child to a parent,” Douglass wrote of the owlish man who had stood with him through mobbings and eggings. 2010, Daniel R. Biddle, Murray Dubin, Tasting Freedom, page 167:
(countable, uncountable) The act of gathering the eggs of wild birds.